The algorithm for the backward-forward sweep power flow simulation for three-phase unbalance radial distribution system was formulated by D. Shirmohammadi and C. S. Cheng on their paper for the IEEE Transactions on Power Systems. The algorithm is quite simple since it was only based from the two basic laws in electrical engineering, the kirchhoff’ s current and voltage laws. Read the entire entry …

The Siemens - PTI PSSE power flow simulator is a well known and reliable power flow simulation tool for simulating power systems of up to large scale in size. However, just like other sophisticated analysis tools, it’s hard to learn the basics of using it, specially, for the new user of the software.
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Currently, the transmission of electrical energy from bulk power generators all the way to household, commercial and industrial consumers is made mostly through high voltage alternating current (AC) transmission and distribution systems, and through a series of voltage transformations to reduce losses and minimize cost. Voltage levels used are of standard values.
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Unlike the conventional power generation plants that generates stable and more predictable amount of power, wind power generator output power is, more or less, unpredictable due to the intermittent wind speed Read the entire entry …

Below is a C/C++ program and source code that computes the Ybus and Zbus of a given electrical network of any size. Read the entire entry …

Buses in the transmission system can be classified depending of the type of load that is connected into it. Read the entire entry …

The main objective of online power flow, or sometimes, other people called it “load flow”, simulator is to provide a free and accessible simulation tool for power engineering students. Read the entire entry …

Given the Power Flow Equations:

We can derive the equation for DC power flow using the following simplifying approximations; Read the entire entry …

Carol Cheng and Dariush Shirmohammadi proposed in their paper (IEEE Transactions on Power Systems, Vol. 10, No. 2, May 1995) a robust three phase power flow algorithm for radial and weakly meshed electric distribution system. Read the entire entry …